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| the degree of purity of water determined by measuring the substance in water,besides water moleculs |
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| how acidic or basic a substance is measured on a scale of 1(very acidic) to 14(very basic). |
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| calcium and magnesium in water |
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Definition
| the process by which a gas, such as water vapor, changes to a liquid, such as water. |
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| the process of passing waterthrough a series of screens that allows the water through, but not larger solid particles. |
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| sticky globs created by adding a chemical such as alum during water treatment. |
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| the process by which particles in a liquid clump together. a step in the water treatment process. |
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Definition
| water containing human waste |
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| deposits of fine solids that settle out from waste water during the treatment process |
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Definition
| an underground tank containing bacteria that treats wastewater as it passes through. |
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| The ground area around a septic tank through which wastewater filters after leaving the tank. |
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Definition
| a water shortage caused by long periods of low precipitation in a particular area |
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Definition
| the process of using a resource wisely so it will not be used up. |
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Definition
| the process of obtaining fresh water from salt water by removing of salt. |
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